{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["ethnicity of people", "place of birth", "administrative division of country", "children"], "input": "Then , as David McCullough notes in '' The Johnstown Flood , '' public fury turned on the Pittsburgh millionaires whose club 's fishing pond had emptied on the town ."}
{"ethnicity of people": [], "place of birth": [{"subject": "David McCullough", "object": "Pittsburgh"}], "administrative division of country": [], "children": []}